211222020002212 has 24 divisors (see below), whose sum is σ = 373676213307320. Its totient is φ = 104460746065920.

The previous prime is 211222020002209. The next prime is 211222020002233. The reversal of 211222020002212 is 212200020222112.

It can be written as a sum of positive squares in 4 ways, for example, as 45269294236516 + 165952725765696 = 6728246^2 + 12882264^2 .

It is a super-2 number, since 2×211222020002212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222020002212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419552739 + ... + 420055882.

Almost surely, 2^{211222020002212} is an apocalyptic number.

It is an amenable number.

211222020002212 is a deficient number, since it is larger than the sum of its proper divisors (162454193305108).

211222020002212 is a wasteful number, since it uses less digits than its factorization.

211222020002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839609311 (or 839609309 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211222020002212 its reverse (212200020222112), we get a palindrome (423422040224324).

The spelling of 211222020002212 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty million, two thousand, two hundred twelve".